Table 3.
Maximum oxygen requirement in each CT severity category.
| Maximum O2 requirement | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| None | Nasal cannula | Face mask | Non-rebreather | HFNC/BIPAP | Intubation | ||||
| CT severity | Negative | Count | 196 | 5 | 0 | 0 | 1 | 1 | 203 |
| % within category | 96.6% | 2.5% | 0.0% | 0.0% | 0.5% | 0.5% | 100.0% | ||
| % of total | 21.7% | 0.6% | 0.0% | 0.0% | 0.1% | 0.1% | 22.5% | ||
| Mild | Count | 293 | 24 | 4 | 1 | 1 | 6 | 329 | |
| % within category | 89.1% | 7.3% | 1.2% | 0.3% | 0.3% | 1.8% | 100.0% | ||
| % of total | 32.5% | 2.7% | 0.4% | 0.1% | 0.1% | 0.7% | 36.5% | ||
| Moderate | Count | 154 | 89 | 20 | 9 | 15 | 22 | 309 | |
| % category | 49.8% | 28.8% | 6.5% | 2.9% | 4.9% | 7.1% | 100.0% | ||
| % of total | 17.1% | 9.9% | 2.2% | 1.0% | 1.7% | 2.4% | 34.3% | ||
| Severe | Count | 2 | 8 | 8 | 5 | 4 | 34 | 61 | |
| % within category | 3.3% | 13.1% | 13.1% | 8.2% | 6.6% | 55.7% | 100.0% | ||
| % of total | 0.2% | 0.9% | 0.9% | 0.6% | 0.4% | 3.8% | 6.8% | ||
| Total | Count | 645 | 126 | 32 | 15 | 21 | 63 | 902 | |
| % of total | 71.5% | 14.0% | 3.5% | 1.7% | 2.3% | 7.0% | 100.0% | ||